source4/scripting/python/samba/netcmd/__init__.py

   1 #!/usr/bin/python
   2
   3 # Unix SMB/CIFS implementation.
   4 # Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2009
   5 #
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 3 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18 #
  19
  20 import optparse
  21 from samba import getopt as options, Ldb
  22 import sys
  23
  24
  25 class Option(optparse.Option):
  26     pass
  27
  28
  29 class Command(object):
  30     """A net command."""
  31
  32     def _get_description(self):
  33         return self.__doc__.splitlines()[0].rstrip("\n")
  34
  35     def _get_name(self):
  36         name = self.__class__.__name__
  37         if name.startswith("cmd_"):
  38             return name[4:]
  39         return name
  40
  41     name = property(_get_name)
  42
  43     def usage(self, args):
  44         parser, _ = self._create_parser()
  45         parser.print_usage()
  46
  47     description = property(_get_description)
  48
  49     def _get_synopsis(self):
  50         ret = self.name
  51         if self.takes_args:
  52             ret += " " + " ".join(self.takes_args)
  53         return ret
  54
  55     synopsis = property(_get_synopsis)
  56
  57     takes_args = []
  58     takes_options = []
  59     takes_optiongroups = {}
  60
  61     def _create_parser(self):
  62         parser = optparse.OptionParser(self.synopsis)
  63         parser.prog = "net"
  64         parser.add_options(self.takes_options)
  65         optiongroups = {}
  66         for name, optiongroup in self.takes_optiongroups.iteritems():
  67             optiongroups[name] = optiongroup(parser)
  68             parser.add_option_group(optiongroups[name])
  69         return parser, optiongroups
  70
  71     def message(self, text):
  72         print text
  73
  74     def _run(self, *argv):
  75         parser, optiongroups = self._create_parser()
  76         opts, args = parser.parse_args(list(argv))
  77         # Filter out options from option groups
  78         args = args[1:]
  79         kwargs = dict(opts.__dict__)
  80         for option_group in parser.option_groups:
  81             for option in option_group.option_list:
  82                 del kwargs[option.dest]
  83         kwargs.update(optiongroups)
  84         if len(args) != len(self.takes_args):
  85             self.usage(args)
  86             return -1
  87         try:
  88             return self.run(*args, **kwargs)
  89         except CommandError, e:
  90             print >>sys.stderr, "ERROR: %s" % e
  91             return -1
  92
  93     def run(self):
  94         """Run the command. This should be overriden by all subclasses."""
  95         raise NotImplementedError(self.run)
  96
  97
  98 class SuperCommand(Command):
  99     """A command with subcommands."""
 100
 101     subcommands = {}
 102
 103     def run(self, subcommand, *args, **kwargs):
 104         if not subcommand in subcommands:
 105             print >>sys.stderr, "ERROR: No such subcommand '%s'" % subcommand
 106             return subcommands[subcommand].run(*args, **kwargs)
 107
 108     def usage(self, subcommand=None, *args, **kwargs):
 109         if subcommand is None:
 110             print "Available subcommands"
 111             for subcommand in subcommands:
 112                 print "\t%s" % subcommand
 113             return 0
 114         else:
 115             if not subcommand in subcommands:
 116                 print >>sys.stderr, "ERROR: No such subcommand '%s'" % subcommand
 117             return subcommands[subcommand].usage(*args, **kwargs)
 118
 119
 120 class CommandError(Exception):
 121     pass
 122
 123
 124 commands = {}
 125 from samba.netcmd.pwsettings import cmd_pwsettings
 126 commands["pwsettings"] = cmd_pwsettings()
 127 from samba.netcmd.domainlevel import cmd_domainlevel
 128 commands["domainlevel"] = cmd_domainlevel()